Named for Boreas, the Greek god of the north wind, the boreal forest is a critically important breeding ground for North American birds. The Albany River (shown here) divides the partially protected northern boreal from the imperiled south. Photo: Per Breiehagenhttp://www.audubon.org/magazine/january-february-2009/paper-chase

In the 1991 Gulf War, American pilots bombed a retreating Iraqi convoy. Most US media declined to publish this photo, taken by Ken Jarecke. His quote: “If I don’t photograph this, people like my mom will think war is what they see on TV.”